The Pontiac Solstice is a 2-door convertible or coupe sports car sold by General Motors from 2006-2010. The five-speed manual transmission is the same as in the Hummer H3, GMC Canyon, and Chevrolet Colorado. The five-speed automatic is identical to those of the Cadillac CTS, STS, and SRX. Remote central locking systems are available options for all Pontiac Solstice trim levels.